<template>
  <div>
    <h3>用户列表组件</h3>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表(表格)区域 -->

      <el-table :data="userList" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template v-slot="scope">
            <!-- 因为 mg_state是变量值所以我使用变量插槽 获取 这个行里面的数据row有我要的数据bool值mg_state-->
            <!-- {{scope.row}} -->
            <!-- 状态 -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template v-slot="scope">
            <!-- 修改 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 分配角色 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
          
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                    @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagesize"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="100"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 对话框主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户 -->
    <el-dialog
      title="提示"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <!-- 对话框主体区域 -->
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
         
        <el-form-item label="用户名">
                <el-input v-model="editForm.username" disabled></el-input>  
        </el-form-item>
         
        <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>  
        </el-form-item>
         
        <el-form-item label="电话" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>  
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserinfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
    >
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
              @close="setRoleDialogClosed"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        return cb();
      }
      //返回一个错误提示
      cb(new Error("请输入合法的邮箱"));
    };
    //验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      //返回一个错误提示
      cb(new Error("请输入合法的手机号码"));
    };
    return {
      userInfo: {},
      //保存所有的角色信息
      rolesList: [],
      //保存用户选中的角色id
      selectedRoleId: "",
      setRoleDialogVisible: false,
      // 查询用户信息
      editForm: {},
      editDialogVisible: false,
      queryInfo: {
        query: "", //查询参数
        pagenum: 1, //当前页码
        pagesize: 2, //每页显示条数
      },
      total: 0,
      userList: [],
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名在3~10个字符之间",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "用户名在6~15个字符之间",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          {
            validator: checkEmail,
            message: "邮箱格式不正确，请重新输入",
            trigger: "blur",
          },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          {
            validator: checkMobile,
            message: "手机号码不正确，请重新输入",
            trigger: "blur",
          },
        ],
      },
      // 修改用户规则对象
      editFormRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          {
            validator: checkEmail,
            message: "邮箱格式不正确，请重新输入",
            trigger: "blur",
          },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          {
            validator: checkMobile,
            message: "手机号码不正确，请重新输入",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    addUser() {
      // 按下确定键调用validate 进行表单验证
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) {
          this.$message.error("请完善信息");
          return;
        }
        const { data: res } = await this.$http.post("users", this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error("添加失败");
        }
        this.$message.success(res.meta.msg);
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    addDialogClosed() {
      //对话框关闭之后，重置表达
      this.$refs.addFormRef.resetFields();
    },
    // switch状态的关闭
    // 根据作用域插槽数据里面的id和状态发送asiox，put请求
    // 返回的状态是否为200,如果不是两百取反赋值回去
    async userStateChanged(userinfo) {
      // console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      console.log(res);
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state;
        return this.$message.error("更新失败");
      }
      this.$message.success("更新成功");
    },
    handleSizeChange(newSize) {
      //pagesize改变时触发，当pagesize发生改变的时候，我们应该
      //  console.log(newSize);
      // 把更新的条值给数据表里
      this.queryInfo.pagenum = newSize;
      // 重新发起axios请求
      this.getUserList();
    },
    handleCurrentChange(newpag) {
      // console.log(newpag);
      this.queryInfo.pagesize = newpag;
      this.getUserList();
      // 码页改变时
    },
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      console.log(res);
      if (res.meta.status !== 200)
        return this.$message.error("获取用户数据失败");
      // 数据赋值
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    // 查询用户id
    async showEditDialog(id) {
      const { data: res } = await this.$http.get("users/" + id);
      console.log(res);
      if (res.meta.status !== 200) return this.$message.error("查询失败");
      this.$message.success(res.meta.msg);
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    // 修改用户重置
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 验证规则正确以后发送更改的put请求
    editUserinfo() {
      // 先找到当前数据的点击eow的index id 发get请求得到 服务器返回来的响应数据 保存到当前的data上
      // 赋给对话框数据 先验证修改是否成功 成功就发put到服务器里 然后更新数据
      this.$refs.editFormRef.validate(async (value) => {
        if (!value) return;
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        console.log(res);
        if (res.meta.status !== 200) return this.$message.error("修改失败");
        this.$message.success(res.meta.msg);
        this.editDialogVisible = false;
        // 更新修改后的数据
        this.getUserList();
      });
    },
    // 删除
    async removeUserById(id) {
      // console.log(id);
      // 根据作用域插槽找到当前rou 的数据id
      // elemeng ui调用$confirm方法
      // 是一个paramis异步操作
      // 不是comfirm就取消
      // 是就发送asioxdelete

      const confirmResult = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      if (confirmResult !== "confirm") return this.$message.info("已取消删除");
      const { data: res } = await this.$http.delete("users/" + id);
      console.log(res);
      if (res.meta.status !== 200) return this.$message.error("删除失败");
      this.$message.success(res.meta.msg);
      this.getUserList();
    },
    //展示分配角色对话框

    async setRole(userInfo) {
      this.setRoleDialogVisible = true;
      //id
      this.userInfo = userInfo;
      const { data: res } = await this.$http.get("roles");
      console.log(res);
      if (res.meta.status !== 200)
        return this.$message.error("获取角色列表失败");
      this.rolesList = res.data;
      this.$message.success("更新成功")
      
      // console.log( this.rolesList );
    },
    //请选择要分配的角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  },
  computed: {},
  watch: {},
  filters: {},
  components: {},
  created() {
    // 初始化数据，然后渲染
    this.getUserList();
  },
  mounted() {},
};
</script>

<style scoped lang='less'>
.el-breadcrumb {
  margin-bottom: 15px;
  font-size: 12px;
}
.el-card {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.15) !important;
}
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
.el-pagination {
  margin-top: 20px;
}
</style>
